Add "Historial" page and update navigation to support new view

Introduced the `HistoryPage` component for viewing request history. Updated navigation and dynamic header title logic to include the new "history" view. Adjusted `App.js` to handle the new view state and display `HistoryPage`.

src/App.js

@@ -6,6 +6,7 @@ import RequestTable from './components/Requests/RequestTable';
 import RequestForm from './components/Requests/RequestForm';
 import ScheduledPage from './components/Scheduled/ScheduledPage';
 import NewRequestPage from './components/Requests/NewRequestPage';
+import HistoryPage from './components/History/HistoryPage';
 
 function App() {
   const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
@@ -21,6 +22,8 @@ function App() {
     ? 'Solicitudes Programadas'
     : activeView === 'create'
     ? 'Nueva Solicitud'
+    : activeView === 'history'
+    ? 'Historial'
     : 'Dashboard';
 
   return (
@@ -37,6 +40,8 @@ function App() {
           <ScheduledPage />
         ) : activeView === 'create' ? (
           <NewRequestPage />
+        ) : activeView === 'history' ? (
+          <HistoryPage />
         ) : (
           <section className="content-wrapper">
             <DashboardCards />